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Re: [PATCH] S/390: Optimize atomic_compare_exchange and atomic_compare builtins.
- From: "Ulrich Weigand" <uweigand at de dot ibm dot com>
- To: vogt at linux dot vnet dot ibm dot com
- Cc: gcc-patches at gcc dot gnu dot org, krebbel at linux dot vnet dot ibm dot com (Andreas Krebbel), Ulrich dot Weigand at de dot ibm dot com (Ulrich Weigand)
- Date: Wed, 5 Apr 2017 17:24:19 +0200 (CEST)
- Subject: Re: [PATCH] S/390: Optimize atomic_compare_exchange and atomic_compare builtins.
- Authentication-results: sourceware.org; auth=none
Dominik Vogt wrote:
> On Mon, Mar 27, 2017 at 09:27:35PM +0100, Dominik Vogt wrote:
> > The attached patch optimizes the atomic_exchange and
> > atomic_compare patterns on s390 and s390x (mostly limited to
> > SImode and DImode). Among general optimizaation, the changes fix
> > most of the problems reported in PR 80080:
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80080
> >
> > Bootstrapped and regression tested on a zEC12 with s390 and s390x
> > biarch.
>
> New version attached.
No, it isn't :-)
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU/Linux compilers and toolchain
Ulrich.Weigand@de.ibm.com